A novel predictor of unsustained return of spontaneous circulation in cardiac arrest patients through a combination of capnography and pulse oximetry: a multicenter observational study
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A novel predictor of unsustained return of spontaneous circulation in cardiac arrest patients through a combination of capnography and pulse oximetry: a multicenter observational study |
| Jing Yang, Hanqi Tang, Shihuan Shao, Feng Xu, Yangyang Fu, Shengyong Xu, Chen Li, Yan Li, Yang Liu, Joseph Harold Walline, Huadong Zhu, Yuguo Chen, Xuezhong Yu, Jun Xu |
| Figure 2. Mean parameter values every two minutes from 2 min before ROSC to 10 min after ROSC, and differences of changes in parameter values between 2 min after ROSC and 2 min before ROSC in unsustained and sustained ROSC groups. A: ETCO2; B: ΔETCO2; C: AUCp; D: ΔAUCp; E: Amp; F: ΔAmp. *P<0.05. ROSC: return of spontaneous circulation; ETCO2: end-tidal carbon dioxide; AUCp: area under the curve of pulse oximetry photoplethysmogram; Amp: wave amplitude of pulse oximetry photoplethysmogram; ΔETCO2, ΔAUCp, ΔAmp: change in ETCO2, AUCp and Amp from 2 min after ROSC and 2 min before ROSC. PVPG: pulse oximeter voltage plehtysmography; PVA: pulse oximeter votage amplitude. |
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